Home / 14,575.34-20,120.58-9,539.79

Finding the Fourth Proportional to 14,575.34, 20,120.58 and 9,539.79

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Solution

The fourth proportional to 14,575.34, 20,120.58 and 9,539.79 is: 13,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575.34 : 20,120.58 = 9,539.79 : x
  2. Step 2: Convert to fraction form
    14,575.34/20,120.58 = 9,539.79/x
  3. Step 3: Cross multiply
    14,575.34x = 20,120.58 × 9,539.79
  4. Step 4: Simplify right side
    14,575.34x = 191,946,107.88
  5. Step 5: Solve for x
    x = 191,946,107.88/14,575.34
  6. Step 6: Final answer
    x = 13,169.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.